CN113958302B - Rotary feeding type controlled movement limit switch fracturing sliding sleeve tool - Google Patents
Rotary feeding type controlled movement limit switch fracturing sliding sleeve tool Download PDFInfo
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- CN113958302B CN113958302B CN202111194463.2A CN202111194463A CN113958302B CN 113958302 B CN113958302 B CN 113958302B CN 202111194463 A CN202111194463 A CN 202111194463A CN 113958302 B CN113958302 B CN 113958302B
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- 230000033001 locomotion Effects 0.000 title claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 239000011148 porous material Substances 0.000 claims abstract description 30
- 230000000670 limiting effect Effects 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000006073 displacement reaction Methods 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 41
- 238000001125 extrusion Methods 0.000 claims description 7
- 239000004519 grease Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000005553 drilling Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/12—Valve arrangements for boreholes or wells in wells operated by movement of casings or tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/06—Sleeve valves
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
The invention relates to a rotary feed type controlled movement limit switch fracturing sliding sleeve tool which mainly comprises a transmission pipe, a central pipe, a plunger, an upper connector, a shell, a sleeve and a lower connector. The method is characterized in that: the moving part realizes displacement along the axial direction through trapezoidal threads, and the self-locking characteristic of the threads is utilized to align the pore canal on the central tube with the pore canal on the shell with the limiting device on the sleeve, so that the fracturing sliding sleeve is in an open state; when the fracturing fluid smoothly reaches the appointed stratum, the fracturing sliding sleeve can be closed through the reverse rotation of the moving part. The threaded screwing length of the central tube and the upper joint is limited, and when the central tube is screwed to the bottom, the protruding part positioned on the sleeve is contacted with the protruding part of the plunger, so that the limiting effect is achieved. The matching structure of the thread transmission and the limiting device has the advantages that the matching structure is simple in composition, can be used in open-hole wells and casings, improves the success rate of opening the sliding sleeve, can save the drilling cost and improves the production efficiency.
Description
Technical Field
The invention relates to a fracturing sliding sleeve tool for improving recovery efficiency, and belongs to an important well completion tool.
Background
With the continuous exploitation of petroleum and natural gas, how to improve the oil recovery rate becomes an increasingly difficult problem. For complex downhole conditions, while improving the oil recovery, we also ensure reliability during the recovery process. Thus, open hole completion and staged fracturing technologies are developed, and the technology is widely applied to oil and gas reservoirs because the exploitation difficulty can be reduced, and the key of the technology is the quality of tools, wherein the success rate of opening sliding sleeve tools directly influences the recovery ratio of petroleum and natural gas.
In the design of a sliding sleeve tool, a part of horizontal wells adopt a fracturing mode of ball-casting fracturing of a sleeve multi-cluster sliding sleeve tool, and the sliding sleeve tool has great limitation on the inner diameter and is difficult to be suitable for multi-stage fracturing or oil gas exploitation of small wellbores. Various problems can occur, if the stratum is once sand-out, the phenomenon of fracturing sand blockage can occur by adopting the process, the fracturing operation is forced to stop, then the subsequent operation can be carried out after reverse drainage is needed, the problem that the loss of pressure energy can be caused in the process of reverse drainage, oil stains can be caused to fall to the ground and pollute the environment is solved, and the phenomenon that national environmental protection is not allowed to occur.
Therefore, a reasonable sliding sleeve tool structure is designed, stability is improved, and the key point of improving the success rate of opening the sliding sleeve tool and improving the oil extraction rate is ensured.
Disclosure of Invention
The invention aims to provide a fracturing sliding sleeve tool, which is structurally designed to solve the problems that the sliding sleeve tool is smoothly opened and closed and the sliding sleeve tool is accidentally opened in the moving process;
in order to solve the problems, the technical scheme adopted by the invention is to provide a fracturing sliding sleeve tool which mainly comprises an upper joint, a transmission pipe, an O-shaped sealing ring A, thread compound, a central pipe, a retainer ring A, a shell, a plunger, a sleeve, an O-shaped sealing ring B, a retainer ring B and a lower joint. The method is characterized in that: the upper joint is connected with the transmission pipe through trapezoidal threads, and thread grease is arranged at the joint of the trapezoidal threads; an O-shaped sealing ring A is arranged at the threaded connection part of the upper joint and the shell; the shell and the central tube are provided with through holes; the sleeve and the plunger are provided with a protrusion; and an O-shaped sealing ring B and a check ring B are arranged at the tail part of the plunger.
The upper joint of the sliding sleeve tool is connected with the transmission pipe through trapezoidal threads, the moving part can rotate in the whole shell through the continuous oil pipe and move along the axial direction, the trapezoidal threads are designed to have self-locking property, the screwing stability can be ensured, the sliding sleeve tool is prevented from being automatically opened in the process of lowering the sliding sleeve tool, and the moving part and the shell are in clearance fit; and a sealing ring is arranged between the shell and the central tube to ensure that the screwing length of the sealing upper joint and the transmission tube of the tool is limited, and when the central tube reaches a designated position, the transmission tube also rotates to a maximum position, so that the structural design also plays a limiting role in the opening process of the sliding sleeve tool.
The trapezoidal threaded connection part of the upper joint of the fracturing sliding sleeve tool and the transmission pipe is sealed and lubricated by using the thread grease, and the thread grease has the characteristics of good rebound resilience due to gaps in the threaded connection, so that the fracture sliding sleeve tool has good sealing property and lubricity in the threaded connection, and the fact that liquid cannot be easily spilled out is ensured.
The central tube and the shell of the sliding sleeve tool are provided with a hole channel, when the sliding sleeve tool is opened, the central tube moves to the maximum position along with the transmission tube, the position of the central tube hole channel is aligned with the hole channel of the shell, the protrusion in the sleeve is contacted with the protrusion of the plunger when the position of the central tube hole channel is aligned with the hole channel of the shell, the protrusion part is extruded to play a limiting role, the two protrusions are connected to trigger extrusion, so that the trend of continuous movement of the plunger is further limited, the acting force generated by extrusion is transmitted to a console of a ground derrick through the central tube, the transmission tube and the oil tube, and the protrusion plays a limiting and position indicating role.
The sleeve and the plunger are both provided with protrusions, when the pore canal of the central tube is aligned with the pore canal of the shell, the protrusions are in extrusion contact, the protruding design plays a role in limiting and indicating, and the plunger and the sleeve are in clearance fit contact and are sealed through the sealing ring, so that the tightness of the reciprocating motion of the plunger in the sliding sleeve tool is ensured.
The motion part and the shell are sealed by using the sealing ring and the check ring in clearance fit, the shells are connected through threads and are provided with annular grooves for installing the sealing ring, and the tightness of the sliding sleeve tool is ensured.
The external diameter of plunger and the internal diameter of lower clutch are interference fit, and the afterbody of plunger is furnished with O type sealing washer B and retaining ring B, and the plunger takes place to remove along with the feeding rotation of motion part when the sliding sleeve tool opens, and the plunger is in interference fit with the lower clutch when the sliding sleeve tool is opened completely, and plunger and lower clutch contact can prevent that liquid from falling into the shaft bottom at will this moment.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a switch-type fracturing sliding sleeve tool with limiting and position indicating functions; 1. the device has the characteristics of stable structure and simple operation, ensures the displacement stability of the transmission pipe by utilizing the self-locking property of the trapezoidal threads, ensures the sealing property of the transmission process by using the thread grease, limits the maximum screwing distance because the sleeve and the plunger are provided with the protrusions, realizes the alignment of the central pipe and the shell pore canal when the plunger cannot be screwed in, and enables staff to know that the central pipe is lowered to a specified position from the phenomenon, and the plunger plays the roles of limiting and indicating; 2. the sealing device has the characteristic of good sealing performance, an O-shaped sealing ring A is arranged at the threaded connection part of the shell, and a sealing ring and a check ring are arranged between the central pipe and the shell, so that the sealing device has good sealing performance; the tail part of the plunger is provided with an O-shaped sealing ring B and a check ring B, so that liquid can be prevented from falling into the bottom of the well at will.
Drawings
FIG. 1 is a schematic illustration of a rotary feed controlled motion limit switch fracturing sleeve tool of the present invention in a drilling configuration with the sleeve tool closed during horizontal wellbore interval applications;
FIG. 2 is a schematic illustration of a rotary feed controlled motion limit switch fracturing sleeve tool of the present invention in a horizontal wellbore section with the sleeve tool open;
FIG. 3 is a schematic diagram of a rotary feed controlled motion limit switch fracturing slide sleeve tool of the present invention when closed;
FIG. 4 is a schematic diagram of the structure of the rotary feed controlled motion limit switch fracturing sliding sleeve tool of the present invention when opened;
FIG. 5 is a schematic illustration of the structure of a center tube of a rotary feed controlled motion limit switch fracturing sliding sleeve tool of the present invention;
FIG. 6 is a schematic diagram of a drive tube of a rotary feed controlled motion limit switch fracturing slide sleeve tool of the present invention;
FIG. 7 is a schematic diagram of the structure of a plunger of a rotary feed controlled motion limit switch fracturing sliding sleeve tool of the present invention;
FIG. 8 is a schematic view of section A-A of FIG. 6 of a rotary feed controlled motion limit switch fracturing slide tool of the present invention;
FIG. 9 is a schematic view of the structure of a sleeve of a rotary feed controlled motion limit switch fracturing sliding sleeve tool of the present invention;
in the figure: 1-upper joint; 2-a drive tube; a 3-O type sealing ring A; 4-thread compound; 5-a central tube; 6-a retainer ring A; 7-a housing; 8-a plunger; 9-a sleeve; a 10-O-shaped sealing ring B; 11-a retainer ring B; 12-lower joint.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present invention, a specific embodiment of the present invention will be described with reference to the accompanying drawings.
The invention provides a rotary feed type controlled movement limit switch fracturing sliding sleeve tool, which mainly comprises; the device comprises an upper joint 1, a transmission pipe 2, an O-shaped sealing ring A3, a thread compound 4, a central pipe 5, a check ring 6, a shell 7, a plunger 8, a sleeve 9, an O-shaped sealing ring B10, a check ring B11 and a lower joint 12. The method is characterized in that: the upper joint 1 is connected with the transmission pipe 2 by trapezoidal threads; an O-shaped sealing ring A is arranged at the threaded connection position of the upper joint 1 and the shell 7, and a thread compound 4 is arranged at the trapezoidal threaded connection position; an O-shaped sealing ring is arranged between the shell and the central tube, and through holes are formed in the shell and the central tube; the sleeve 9 and the plunger 8 are provided with a protrusion, and the protrusion of the sleeve is provided with a sealing ring; the shell is in threaded connection with the lower joint and is provided with an O-shaped sealing ring for sealing; the plunger is provided with an O-shaped sealing ring B10 and a check ring B11, and the plunger is in interference fit with the lower joint.
The upper joint 1 of the sliding sleeve tool is connected with the transmission pipe 2 through trapezoidal threads, the moving part can rotate in the whole shell through the coiled tubing and move along the axial direction, the alignment of the pore canal of the central tube 5 and the pore canal of the shell 7 is realized through the moving mode, so that the opening of the sliding sleeve tool is realized, and the closing of the fracturing sliding sleeve tool can be realized through the reverse rotation of the coiled tubing after the fracturing is finished; the trapezoidal thread design has self-locking property, so that the screwing stability can be ensured, and the situation that the sliding sleeve tool is automatically opened in the process of lowering the sliding sleeve tool is prevented; the design of the screwing length of the screw thread of the upper joint 1 and the transmission pipe 2 is limited, and the screw thread is screwed to the maximum position when the central pipe 5 is aligned with the pore canal of the shell 7, thereby further playing a limiting role;
the sliding sleeve tool upper joint 1 and the transmission pipe 2 are sealed and lubricated through the trapezoidal threaded connection part by using the thread grease 4, and the thread grease 4 has the characteristic of good rebound resilience because the thread connection is provided with gaps, so that the sliding sleeve tool upper joint has good sealing property and lubricity in the thread connection, and the liquid in the sliding sleeve tool is prevented from easily leaking.
The central tube 5 and the shell 7 of the sliding sleeve tool are provided with pore passages, when the sliding sleeve tool is started, the central tube 5 moves to the maximum position along with the transmission tube 2, the pore passage position of the central tube 5 is aligned with the pore passage of the shell 7, the protrusion in the sleeve 9 is contacted with the protrusion of the plunger 8 while the pore passage position of the central tube 5 is aligned with the pore passage of the shell 7, the protruding part is extruded to play a limiting role, the protruding part is connected to trigger the extrusion, so that the continuous movement trend of the plunger is further limited, the limiting force is transmitted to a control console of a ground derrick through the central tube 5, the transmission tube 2 and the oil tube, the protrusion plays a limiting and indicating role, and the fracturing fluid reaches a specified stratum through the continuous oil tube, the transmission tube 2, the pore passages of the central tube 5 and the shell 7.
The sleeve 9 and the plunger 8 are provided with protrusions, and the relative distance between the two protrusions and the relative distance between the pore canal of the central tube 5 and the pore canal of the shell 7 are equal in real time in the movement process, namely, once the pore canal is aligned, the two protrusions are contacted at the same time, and the two protrusions can not be screwed in any more; meanwhile, the protrusion device also plays a role in double insurance, and can prevent the moving part from moving downwards when the moving part moves downwards too much, namely, the limiting device can ensure the alignment of the pore canal when the transmission thread part is unexpected, so that the efficiency of the whole fracturing work is not greatly influenced.
The sleeve 9 and the plunger 8 are both provided with protrusions, when the pore canal of the central tube 5 is aligned with the pore canal of the shell 7, the protrusions are connected to trigger extrusion, so that the trend of continuous movement of the plunger 8 is further limited, the limiting force is conducted to a console of a ground derrick through the central tube (5), the transmission tube (2) and the oil tube, the protruding design plays a role in limiting and indicating, and the plunger 8 and the sleeve 9 are in clearance fit contact part and are sealed through the sealing ring, so that the tightness of reciprocating movement of the plunger 8 in the sliding sleeve tool is ensured.
When the sliding sleeve tool is in an open state, the outer diameter of the plunger 8 is in interference fit with the inner diameter of the lower connector 12, an O-shaped sealing ring B and a check ring B are arranged at the tail of the plunger 8, when the sliding sleeve tool is opened, the plunger 8 moves along with the feeding type rotation of the moving part, when the sliding sleeve tool reaches the maximum displacement, the plunger 8 is in interference fit with the lower connector 12, and at the moment, the plunger 8 is in contact with the lower connector 12, so that liquid can be prevented from falling into a well bottom at will.
When the fracturing fluid smoothly reaches a specified stratum, the fracturing sliding sleeve tool can be closed through reverse rotation of the continuous oil pipe, the central pipe (5) is gradually restored to the initial position, the pore canal of the central pipe 5 and the pore canal of the shell 7 are gradually staggered until the central pipe is closed, the protrusion in the sleeve 9 and the protrusion of the plunger 8 are gradually separated, the plunger 8 is separated from the lower joint 12, then the upper separator and the lower separator are unsealed, and the central pipe is moved to the next position to perform fracturing work of other stratum.
While the invention has been described with respect to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Equivalent embodiments of the present invention will be apparent to those skilled in the art having the benefit of the teachings disclosed herein, when considered in the light of the foregoing disclosure, and without departing from the spirit and scope of the invention; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present invention still fall within the scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a motion limit switch fracturing sliding sleeve tool of rotatory feeding formula control, mainly comprises top connection (1), transfer line (2), O type sealing washer A (3), screw thread fat (4), center tube (5), retaining ring A (6), shell (7), plunger (8), sleeve (9), O type sealing washer B (10), retaining ring B (11) and lower clutch (12); the technical characteristics are that: in the whole sliding sleeve tool structure, the upper joint (1) and the central tube (5) are in transmission through trapezoidal threaded connection, and the transmission tube (2) and the central tube (5), the central tube (5) and the plunger (8), the upper joint (1) and the shell (7), the shell (7) and the sleeve (9) are in common threaded connection, and the sleeve (9) and the lower joint (12); the moving part can rotate in the whole shell through the continuous oil pipe and move along the axial direction, so that the moving part and the shell are in clearance fit; when the sliding sleeve tool is not opened, the upper joint (1) is connected with the transmission pipe (2) through trapezoidal threads, the trapezoidal threads are in an initial position moving state, a thread compound (4) is arranged at the thread connection position of the upper joint (1) and the transmission pipe (2), the thread compound (4) has good tightness and elasticity, and the thread connection position of the upper joint (1) and the transmission pipe (2) is ensured to still have good tightness; the upper joint (1) is connected with the shell (7) through threads and is provided with an O-shaped sealing ring A, the shell (7) and the central tube (5) are provided with through holes with the same size, and the positions of the through holes of the upper joint and the central tube are not aligned at the moment, so that the sliding sleeve tool is ensured to be in a closed state; the sleeve (9) and the plunger (8) are provided with a protrusion, and the protrusion on the sleeve (9) is provided with a sealing ring, so that the tightness of the sleeve (9) and the plunger (8) is ensured, and the two protrusions are not contacted at the moment; the plunger (8) is provided with an O-shaped sealing ring B (10) and a check ring B (11), and the plunger (8) is in non-contact fit with the lower joint (12); when the sliding sleeve tool is opened, the upper joint (1) and the transmission pipe (2) are in relative sliding through threaded connection, the transmission pipe (2) slides to the bottom, the screw thread grease (4) is kept sealed, the central pipe (5) and the transmission pipe (2) are in simultaneous sliding through threaded connection, the screw thread screwing length of the central pipe (5) and the upper joint (1) is limited, that is, when the central pipe (5) is screwed to the bottom, the central pipe (5) reaches a specified position, the through hole position of the central pipe (5) is aligned with the through hole position of the shell (7), and liquid flows out from a pore canal on the central pipe (5) and the shell (7) sequentially through the oil pipe, the transmission pipe (2), the central pipe (5); the plunger (8) and the central tube (5) are connected through threads to realize real-time sliding, the sleeve (9) and the plunger (8) are provided with a protrusion, the protrusion of the sleeve (9) and the protrusion of the plunger (8) are gradually close to each other when the plunger (8) slides, when the through hole position of the central tube (5) is aligned with the through hole position of the shell (7), the two protrusions are connected to trigger extrusion, so that the trend of continuous movement of the plunger (8) is further limited, and the acting force generated by extrusion is transmitted to a console of a ground derrick through the central tube (5), the transmission tube (2) and the oil tube; the plunger (8) gradually contacts with the inner wall of the lower joint (12) in the downward joint moving process, an O-shaped sealing ring B (10) and a check ring B (11) are arranged on the outer wall of the plunger (8), and continuous sealing is achieved in the repeated motion of the plunger (8).
2. The rotary feed controlled motion limit switch fracturing slide sleeve tool of claim 1, wherein: the upper joint (1) is in trapezoidal threaded connection with the transmission pipe (2), the continuous oil pipe is in threaded connection with the transmission pipe (2), a worker can rotate and lower the continuous oil pipe on the ground, at the moment, the moving part can realize displacement along the axis direction through trapezoidal threads, and the transmission pipe (2) can realize displacement along the axis direction through trapezoidal threads; the self-locking characteristic of the threads realizes that the pore canal on the central tube (5) is aligned with the pore canal on the shell (7) and cannot slide; the screw thread screwing length of the central tube (5) and the upper joint (1) is limited, the limiting effect is further achieved, the shell (7) and the central tube (5) are in clearance fit, and when the central tube (5) is sealed by using the O-shaped sealing ring A (3) and screwed to the bottom, namely the central tube (5) reaches a designated position, and at the moment, the pore canal of the central tube (5) is aligned with the pore canal of the shell (7).
3. The rotary feed controlled motion limit switch fracturing slide sleeve tool of claim 1, wherein: in the process of opening the sliding sleeve tool, the transmission pipe (2) starts to move towards the downward joint direction through spiral transmission, at the moment, the plunger (8) is positioned at the bottom of the transmission part and moves along with the transmission part, the sleeve (9) is provided with a protrusion, and when the central pipe (5) reaches a specified position, the sleeve (9) is contacted with the protrusion part of the plunger (8), so that the limiting effect is achieved; the maximum outer diameter of the plunger (8) is in interference fit with an outlet channel of the lower joint (12), and an O-shaped sealing ring B (10) and a check ring B (11) are arranged at the tail part of the plunger (8) and used for preventing liquid from falling into a well bottom randomly.
4. The rotary feed controlled motion limit switch fracturing slide sleeve tool of claim 1, wherein: when the fracturing fluid smoothly reaches a specified stratum, the fracturing sliding sleeve tool can be closed by reversely rotating the continuous oil pipe, the central pipe (5) is restored to the initial position, the pore canal between the central pipe (5) and the shell (7) is gradually reduced until the pore canal is completely staggered, and at the moment, the pore canal is closed; the sleeve (9) is separated from the protrusion of the plunger (8), the plunger (8) is separated from the lower joint (12), then the upper and lower separators are unsealed, and the next position is moved to perform fracturing work of other stratum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111194463.2A CN113958302B (en) | 2021-10-13 | 2021-10-13 | Rotary feeding type controlled movement limit switch fracturing sliding sleeve tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111194463.2A CN113958302B (en) | 2021-10-13 | 2021-10-13 | Rotary feeding type controlled movement limit switch fracturing sliding sleeve tool |
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| CN113958302A CN113958302A (en) | 2022-01-21 |
| CN113958302B true CN113958302B (en) | 2023-06-27 |
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| CN202111194463.2A Active CN113958302B (en) | 2021-10-13 | 2021-10-13 | Rotary feeding type controlled movement limit switch fracturing sliding sleeve tool |
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| CN116677363B (en) * | 2023-08-03 | 2023-10-03 | 中石油深圳新能源研究院有限公司 | Geothermal reservoir fracturing permeability increasing method and device |
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| CN102839944A (en) * | 2011-06-22 | 2012-12-26 | 中国石油化工股份有限公司 | Sliding sleeve type fracturing module, device including the module and method of using the device |
| CN105401917A (en) * | 2015-10-26 | 2016-03-16 | 东北石油大学 | Full-diameter infinite order cam shaft switch type fracture sliding sleeve |
| CN105672958A (en) * | 2016-01-20 | 2016-06-15 | 中国石油化工股份有限公司 | Tool for jet packing and fracturing and tubular column including tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2013258831B2 (en) * | 2007-08-16 | 2015-07-23 | Baker Hughes Incorporated | Multi-position valve for fracturing and sand control |
| CN202483546U (en) * | 2011-09-16 | 2012-10-10 | 西南石油大学 | Fracture sliding sleeve assembly capable of being opened and closed |
| CN103277078B (en) * | 2013-06-04 | 2016-01-27 | 中国海洋石油总公司 | A kind of hydraulic sliding sleeve |
| CN205714151U (en) * | 2016-06-24 | 2016-11-23 | 铁岭曲氏石油技术开发服务有限公司 | Rotary frac-sand jet |
| CN206290243U (en) * | 2016-12-23 | 2017-06-30 | 百勤能源科技（惠州）有限公司 | One kind can close pressure difference sliding sleeve |
| CN108716394B (en) * | 2018-05-18 | 2024-01-02 | 安东石油技术（集团）有限公司 | Sliding sleeve, rotary stepping sliding sleeve and fracturing sliding sleeve |
| CN213175594U (en) * | 2020-07-23 | 2021-05-11 | 董武 | A ball seat and fracturing sliding sleeve for fracturing sliding sleeve |
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2021
- 2021-10-13 CN CN202111194463.2A patent/CN113958302B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839944A (en) * | 2011-06-22 | 2012-12-26 | 中国石油化工股份有限公司 | Sliding sleeve type fracturing module, device including the module and method of using the device |
| CN105401917A (en) * | 2015-10-26 | 2016-03-16 | 东北石油大学 | Full-diameter infinite order cam shaft switch type fracture sliding sleeve |
| CN105672958A (en) * | 2016-01-20 | 2016-06-15 | 中国石油化工股份有限公司 | Tool for jet packing and fracturing and tubular column including tool |
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| CN113958302A (en) | 2022-01-21 |
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